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Diffstat (limited to 'sound/usb/6fire/firmware.c')
-rw-r--r--sound/usb/6fire/firmware.c120
1 files changed, 54 insertions, 66 deletions
diff --git a/sound/usb/6fire/firmware.c b/sound/usb/6fire/firmware.c
index b9defcdeb7ef..c51abc54d2f8 100644
--- a/sound/usb/6fire/firmware.c
+++ b/sound/usb/6fire/firmware.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Linux driver for TerraTec DMX 6Fire USB
*
@@ -6,11 +7,6 @@
* Author: Torsten Schenk <torsten.schenk@zoho.com>
* Created: Jan 01, 2011
* Copyright: (C) Torsten Schenk
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#include <linux/firmware.h>
@@ -162,29 +158,17 @@ static int usb6fire_fw_ihex_init(const struct firmware *fw,
static int usb6fire_fw_ezusb_write(struct usb_device *device,
int type, int value, char *data, int len)
{
- int ret;
-
- ret = usb_control_msg(device, usb_sndctrlpipe(device, 0), type,
- USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- value, 0, data, len, HZ);
- if (ret < 0)
- return ret;
- else if (ret != len)
- return -EIO;
- return 0;
+ return usb_control_msg_send(device, 0, type,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, 0, data, len, 1000, GFP_KERNEL);
}
static int usb6fire_fw_ezusb_read(struct usb_device *device,
int type, int value, char *data, int len)
{
- int ret = usb_control_msg(device, usb_rcvctrlpipe(device, 0), type,
- USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value,
- 0, data, len, HZ);
- if (ret < 0)
- return ret;
- else if (ret != len)
- return -EIO;
- return 0;
+ return usb_control_msg_recv(device, 0, type,
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ value, 0, data, len, 1000, GFP_KERNEL);
}
static int usb6fire_fw_fpga_write(struct usb_device *device,
@@ -194,7 +178,7 @@ static int usb6fire_fw_fpga_write(struct usb_device *device,
int ret;
ret = usb_bulk_msg(device, usb_sndbulkpipe(device, FPGA_EP), data, len,
- &actual_len, HZ);
+ &actual_len, 1000);
if (ret < 0)
return ret;
else if (actual_len != len)
@@ -219,37 +203,39 @@ static int usb6fire_fw_ezusb_upload(
ret = request_firmware(&fw, fwname, &device->dev);
if (ret < 0) {
kfree(rec);
- snd_printk(KERN_ERR PREFIX "error requesting ezusb "
- "firmware %s.\n", fwname);
+ dev_err(&intf->dev,
+ "error requesting ezusb firmware %s.\n", fwname);
return ret;
}
ret = usb6fire_fw_ihex_init(fw, rec);
if (ret < 0) {
kfree(rec);
release_firmware(fw);
- snd_printk(KERN_ERR PREFIX "error validating ezusb "
- "firmware %s.\n", fwname);
+ dev_err(&intf->dev,
+ "error validating ezusb firmware %s.\n", fwname);
return ret;
}
/* upload firmware image */
data = 0x01; /* stop ezusb cpu */
ret = usb6fire_fw_ezusb_write(device, 0xa0, 0xe600, &data, 1);
- if (ret < 0) {
+ if (ret) {
kfree(rec);
release_firmware(fw);
- snd_printk(KERN_ERR PREFIX "unable to upload ezusb "
- "firmware %s: begin message.\n", fwname);
+ dev_err(&intf->dev,
+ "unable to upload ezusb firmware %s: begin message.\n",
+ fwname);
return ret;
}
while (usb6fire_fw_ihex_next_record(rec)) { /* write firmware */
ret = usb6fire_fw_ezusb_write(device, 0xa0, rec->address,
rec->data, rec->len);
- if (ret < 0) {
+ if (ret) {
kfree(rec);
release_firmware(fw);
- snd_printk(KERN_ERR PREFIX "unable to upload ezusb "
- "firmware %s: data urb.\n", fwname);
+ dev_err(&intf->dev,
+ "unable to upload ezusb firmware %s: data urb.\n",
+ fwname);
return ret;
}
}
@@ -259,18 +245,20 @@ static int usb6fire_fw_ezusb_upload(
if (postdata) { /* write data after firmware has been uploaded */
ret = usb6fire_fw_ezusb_write(device, 0xa0, postaddr,
postdata, postlen);
- if (ret < 0) {
- snd_printk(KERN_ERR PREFIX "unable to upload ezusb "
- "firmware %s: post urb.\n", fwname);
+ if (ret) {
+ dev_err(&intf->dev,
+ "unable to upload ezusb firmware %s: post urb.\n",
+ fwname);
return ret;
}
}
data = 0x00; /* resume ezusb cpu */
ret = usb6fire_fw_ezusb_write(device, 0xa0, 0xe600, &data, 1);
- if (ret < 0) {
- snd_printk(KERN_ERR PREFIX "unable to upload ezusb "
- "firmware %s: end message.\n", fwname);
+ if (ret) {
+ dev_err(&intf->dev,
+ "unable to upload ezusb firmware %s: end message.\n",
+ fwname);
return ret;
}
return 0;
@@ -292,7 +280,7 @@ static int usb6fire_fw_fpga_upload(
ret = request_firmware(&fw, fwname, &device->dev);
if (ret < 0) {
- snd_printk(KERN_ERR PREFIX "unable to get fpga firmware %s.\n",
+ dev_err(&intf->dev, "unable to get fpga firmware %s.\n",
fwname);
kfree(buffer);
return -EIO;
@@ -302,24 +290,24 @@ static int usb6fire_fw_fpga_upload(
end = fw->data + fw->size;
ret = usb6fire_fw_ezusb_write(device, 8, 0, NULL, 0);
- if (ret < 0) {
+ if (ret) {
kfree(buffer);
release_firmware(fw);
- snd_printk(KERN_ERR PREFIX "unable to upload fpga firmware: "
- "begin urb.\n");
+ dev_err(&intf->dev,
+ "unable to upload fpga firmware: begin urb.\n");
return ret;
}
while (c != end) {
for (i = 0; c != end && i < FPGA_BUFSIZE; i++, c++)
- buffer[i] = byte_rev_table[(u8) *c];
+ buffer[i] = bitrev8((u8)*c);
ret = usb6fire_fw_fpga_write(device, buffer, i);
if (ret < 0) {
release_firmware(fw);
kfree(buffer);
- snd_printk(KERN_ERR PREFIX "unable to upload fpga "
- "firmware: fw urb.\n");
+ dev_err(&intf->dev,
+ "unable to upload fpga firmware: fw urb.\n");
return ret;
}
}
@@ -327,9 +315,9 @@ static int usb6fire_fw_fpga_upload(
kfree(buffer);
ret = usb6fire_fw_ezusb_write(device, 9, 0, NULL, 0);
- if (ret < 0) {
- snd_printk(KERN_ERR PREFIX "unable to upload fpga firmware: "
- "end urb.\n");
+ if (ret) {
+ dev_err(&intf->dev,
+ "unable to upload fpga firmware: end urb.\n");
return ret;
}
return 0;
@@ -338,7 +326,7 @@ static int usb6fire_fw_fpga_upload(
/* check, if the firmware version the devices has currently loaded
* is known by this driver. 'version' needs to have 4 bytes version
* info data. */
-static int usb6fire_fw_check(u8 *version)
+static int usb6fire_fw_check(struct usb_interface *intf, const u8 *version)
{
int i;
@@ -346,10 +334,10 @@ static int usb6fire_fw_check(u8 *version)
if (!memcmp(version, known_fw_versions + i, 2))
return 0;
- snd_printk(KERN_ERR PREFIX "invalid fimware version in device: %*ph. "
+ dev_err(&intf->dev, "invalid firmware version in device: %4ph. "
"please reconnect to power. if this failure "
"still happens, check your firmware installation.",
- 4, version);
+ version);
return -EINVAL;
}
@@ -363,17 +351,17 @@ int usb6fire_fw_init(struct usb_interface *intf)
u8 buffer[12];
ret = usb6fire_fw_ezusb_read(device, 1, 0, buffer, 8);
- if (ret < 0) {
- snd_printk(KERN_ERR PREFIX "unable to receive device "
- "firmware state.\n");
+ if (ret) {
+ dev_err(&intf->dev,
+ "unable to receive device firmware state.\n");
return ret;
}
if (buffer[0] != 0xeb || buffer[1] != 0xaa || buffer[2] != 0x55) {
- snd_printk(KERN_ERR PREFIX "unknown device firmware state "
- "received from device: ");
+ dev_err(&intf->dev,
+ "unknown device firmware state received from device:");
for (i = 0; i < 8; i++)
- snd_printk("%02x ", buffer[i]);
- snd_printk("\n");
+ printk(KERN_CONT "%02x ", buffer[i]);
+ printk(KERN_CONT "\n");
return -EIO;
}
/* do we need fpga loader ezusb firmware? */
@@ -386,7 +374,7 @@ int usb6fire_fw_init(struct usb_interface *intf)
}
/* do we need fpga firmware and application ezusb firmware? */
else if (buffer[3] == 0x02) {
- ret = usb6fire_fw_check(buffer + 4);
+ ret = usb6fire_fw_check(intf, buffer + 4);
if (ret < 0)
return ret;
ret = usb6fire_fw_fpga_upload(intf, "6fire/dmx6firecf.bin");
@@ -402,14 +390,14 @@ int usb6fire_fw_init(struct usb_interface *intf)
}
/* all fw loaded? */
else if (buffer[3] == 0x03)
- return usb6fire_fw_check(buffer + 4);
+ return usb6fire_fw_check(intf, buffer + 4);
/* unknown data? */
else {
- snd_printk(KERN_ERR PREFIX "unknown device firmware state "
- "received from device: ");
+ dev_err(&intf->dev,
+ "unknown device firmware state received from device: ");
for (i = 0; i < 8; i++)
- snd_printk("%02x ", buffer[i]);
- snd_printk("\n");
+ printk(KERN_CONT "%02x ", buffer[i]);
+ printk(KERN_CONT "\n");
return -EIO;
}
return 0;
generated by cgit (git 2.34.1) at 2025-12-25 05:57:21 +0000